CglOddHole.hpp

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// $Id$
// Copyright (C) 2000, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
#ifndef CglOddHole_H
#define CglOddHole_H
 
#include <string>
 
#include "CglCutGenerator.hpp"
 
class CglOddHole : public CglCutGenerator {
   friend void CglOddHoleUnitTest(const OsiSolverInterface * siP,
                                  const std::string mpdDir );
 
public:
    
  
  virtual void generateCuts( const OsiSolverInterface & si, OsiCuts & cs,
                             const CglTreeInfo info = CglTreeInfo());
 
  void createRowList( const OsiSolverInterface & si,
                      const int * possible=NULL);
  void createRowList(int numberRows, const int * whichRow);
 
  void createCliqueList(int numberCliques, const int * cliqueStart,
                     const int * cliqueMember);
 
  int numberPossible();
 
  double getMinimumViolation() const;
  void setMinimumViolation(double value);
  double getMinimumViolationPer() const;
  void setMinimumViolationPer(double value);
  int getMaximumEntries() const;
  void setMaximumEntries(int value);
 
  CglOddHole ();
 
  CglOddHole (
    const CglOddHole &);
 
  virtual CglCutGenerator * clone() const;
 
  CglOddHole &
    operator=(
    const CglOddHole& rhs);
  
  virtual
    ~CglOddHole ();
 
  virtual void refreshSolver(OsiSolverInterface * solver);
      
private:
  
 // Private member methods
 
 
  void generateCuts(const OsiRowCutDebugger * debugger, 
                    const CoinPackedMatrix & rowCopy,
                    const double * solution, const double * dj,
                    OsiCuts & cs, const int * suitableRow,
                    const int * fixedColumn,const CglTreeInfo info,
                    bool packed);
 
  // Private member data
 
  int * suitableRows_;
  int * startClique_;
  int * member_;
  double epsilon_;  
  double onetol_;
  double minimumViolation_;
  double minimumViolationPer_;
  int maximumEntries_;
  int numberRows_;
  int numberCliques_;
};
 
//#############################################################################
void CglOddHoleUnitTest(const OsiSolverInterface * siP,
                        const std::string mpdDir );
  
#endif